Toronto address · Ward 11, University-Rosedale
12 Casimir St
The City of Toronto has 4 building permits since 2017 and 1 Committee of Adjustment file on record for this address.
Building permits
Every permit the City lists for this address since 2017, and any still open from before, newest first.
- Closed
Plumbing
Plumbing - Proposal to for interior alteration to convert the existing single family dwelling into 2 dwellings.
Applied Feb 21, 2024 · issued Feb 28, 2024 · completed Jan 15, 2026 · Permit 20 219563 PLB
- Closed
Heating and ventilation
HVAC - Proposal to for interior alteration to convert the existing single family dwelling into 2 dwellings.
Applied Jan 9, 2024 · issued Jan 17, 2024 · completed Jan 15, 2026 · Permit 20 219563 HVA
- Closed
Small residential project · Interior alterations
Revision 01: Change of proposed addition roof slope & interior alterationProposal to for interior alteration to convert the existing single family dwelling into 2 dwellings.
Applied Oct 30, 2023 · issued Feb 27, 2024 · completed Mar 11, 2026 · Permit 20 219563 BLD (revision 01)
- Closed
Small residential project · Interior alterations
Proposal to for interior alteration to convert the existing single family dwelling into 2 dwellings.
Applied Nov 18, 2020 · issued Dec 20, 2022 · completed Mar 11, 2026 · 1 home added · Permit 20 219563 BLD
Committee of Adjustment
This address's applications to the City's Committee of Adjustment since 2017, and any still open. A minor variance asks for a small exception to the zoning by-law, such as a little more height or a smaller setback; a consent divides a lot or grants an easement.
- Closed
Minor variance · NR addition
To alter the existing two-storey detached dwelling by constructing a second storey front addition. Also, to convert the basement into a secondary suite.
Decision: Refused (hearing Mar 2, 2022)
Filed Apr 19, 2021 · File A0586/21TEY
What’s planned nearby
Development sites within 500 m
- Now selling
- Under review
6 storeys · 49 homes · Mixed use
470 m away · Site plan · Under review · filed Oct 15, 2021
Neighbours’ Committee of Adjustment files within 250 m
328 Bathurst St · Minor variance
To alter the existing one-storey detached ancillary building (garage in the rear yard, abutting the laneway) into one laneway suite. The parking space will be removed. The existing two-storey detached dwelling will be maintained and unaltered. There will be a total of two residential dwelling units on this lot (one dwelling unit within the main dwelling, and one unit within the ancillary building).
160 m away · filed Oct 1, 2025 · Approved
610 Dundas St W · Minor variance
To legalize and to maintain a rear three-storey addition, that was constructed without an authorized building permit. Also, to permit one residential dwelling unit within the rear portion of the ground level (behind a non-residential use). There are a total of two residential dwelling units, and one non-residential unit (retail use) on this lot.
210 m away · filed Jun 26, 2025 · Deferred
769 Dundas St W · Minor variance
To alter the existing two-storey attached building by constructing a rear second storey addition, and a third storey addition. There will be commercial on the ground level and one residential dwelling unit (occupying the second and third levels) on this site.
230 m away · filed Feb 19, 2025 · Approved
660 Dundas St W · Minor variance
To convert the existing two-storey attached dwelling into a non-residential building containing an eating establishment on the ground floor and storage area on the second storey.
70 m away · filed Aug 9, 2024 · Approved
149 Denison Ave · Minor variance
To alter the existing two-storey semi-detached dwelling by constructing a rear third-storey addition.
160 m away · filed Jan 15, 2024 · Approved
77 Wales Ave · Minor variance
To construct a new two-storey ancillary building (one laneway suite), in the rear yard, abutting the laneway.
50 m away · filed Oct 2, 2023 · Approved
320 Bathurst St · Minor variance
To permit a rear outdoor patio in conjunction with the existing ground and second floor eating establishment.
160 m away · filed Aug 31, 2023 · Approved
4 Bellevue Ave · Minor variance
To alter the existing semi-detached dwelling by constructing rear first and second storey decks, rebuild the existing rear basement walkout, rebuild the existing front porch, and to install two new secondary suites. There will be a total of three residential units within this dwelling.
140 m away · filed Jan 26, 2023 · Approved
From the City of Toronto’s open data: building permits (active, and cleared since 2017), Committee of Adjustment applications and address points, this record updated Sep 29, 2026, and the development sites from its Development Applications data. Contains information licensed under the Open Government Licence – Toronto. Construction cost estimates and contractors’ names are left out on purpose, and nothing here names an owner.